This is what it sounds like when you put tree rings on a record player. | REALfarmacy.com | Healthy News and Informationhttp://www.realfarmacy.com/this-is-what-it-sounds-like-when-you-put-tree-rings-on-a-record-player/
Des rondins de bois taillés comme des disques 33 tours dont les cernes sont transcodées en musique...